package com.changgou.goods.dao;

import com.changgou.goods.pojo.Brand;
import org.apache.ibatis.annotations.Param;
import org.apache.ibatis.annotations.Select;
import tk.mybatis.mapper.common.Mapper;

import java.util.List;

public interface BrandMapper extends Mapper<Brand> {

    /**
     * 根据商品分类名称查询品牌列表
     * @param categoryName
     * @return
     */
    @Select("select * from tb_brand where id in " +
            "(select brand_id from tb_category_brand where category_id in " +
            "(select id from tb_category where name = #{name} ))")
    List<Brand> findBrandByGoodsName(@Param("name")String categoryName);
}
